mirror of
https://github.com/qpdf/qpdf.git
synced 2024-11-16 17:45:09 +00:00
72 lines
1.8 KiB
C++
72 lines
1.8 KiB
C++
#include <qpdf/QPDFJob.hh>
|
|
#include <qpdf/QPDFUsage.hh>
|
|
#include <qpdf/QUtil.hh>
|
|
|
|
#include <cstdio>
|
|
#include <cstdlib>
|
|
#include <iostream>
|
|
|
|
// This example demonstrates how we can use the QPDFJob createQPDF and writeQPDF methods to add
|
|
// custom transformations to the output produced by QPDFJob runs. The example is a full copy of the
|
|
// qpdf program modified to always remove all annotations from the final output.
|
|
|
|
static char const* whoami = nullptr;
|
|
|
|
static void
|
|
usageExit(std::string const& msg)
|
|
{
|
|
std::cerr << '\n'
|
|
<< whoami << ": " << msg << '\n'
|
|
<< '\n'
|
|
<< "For help:\n"
|
|
<< " " << whoami << " --help=usage usage information\n"
|
|
<< " " << whoami << " --help=topic help on a topic\n"
|
|
<< " " << whoami << " --help=--option help on an option\n"
|
|
<< " " << whoami << " --help general help and a topic list\n"
|
|
<< '\n';
|
|
exit(QPDFJob::EXIT_ERROR);
|
|
}
|
|
|
|
int
|
|
realmain(int argc, char* argv[])
|
|
{
|
|
whoami = QUtil::getWhoami(argv[0]);
|
|
QUtil::setLineBuf(stdout);
|
|
|
|
QPDFJob j;
|
|
try {
|
|
// See "HOW TO ADD A COMMAND-LINE ARGUMENT" in README-maintainer.
|
|
j.initializeFromArgv(argv);
|
|
auto qpdf_sp = j.createQPDF();
|
|
auto& pdf = *qpdf_sp;
|
|
for (auto page: pdf.getAllPages()) {
|
|
page.removeKey("/Annots");
|
|
}
|
|
j.writeQPDF(pdf);
|
|
} catch (QPDFUsage& e) {
|
|
usageExit(e.what());
|
|
} catch (std::exception& e) {
|
|
std::cerr << whoami << ": " << e.what() << '\n';
|
|
return QPDFJob::EXIT_ERROR;
|
|
}
|
|
return j.getExitCode();
|
|
}
|
|
|
|
#ifdef WINDOWS_WMAIN
|
|
|
|
extern "C" int
|
|
wmain(int argc, wchar_t* argv[])
|
|
{
|
|
return QUtil::call_main_from_wmain(argc, argv, realmain);
|
|
}
|
|
|
|
#else
|
|
|
|
int
|
|
main(int argc, char* argv[])
|
|
{
|
|
return realmain(argc, argv);
|
|
}
|
|
|
|
#endif
|